Climate guide for Bozeman, United States

Best Time to Visit
Bozeman

How to read the score (0–10)
05810
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About Bozeman

Bozeman is a nature and wildlife destination in United States. Plan around late spring through early autumn for more reliable conditions, then drill into monthly scores when you need finer timing for nature travel. Use the monthly scores to plan outdoor time around temperature, rainfall, humidity, daylight and sunny days.

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Travel Tips

Timing & weather
Check Bozeman's monthly climate scores before locking flights - temperate patterns shift comfort for nature trips across the year.
Getting around
In Bozeman, pair a walkable core day with one transit or transfer buffer - crowds and traffic vary by season in United States.
Tickets & access
Reserve popular museums and day trips from Bozeman ahead in peak months; shoulder seasons are more flexible.
Pack for the profile
Bring broken-in footwear, a rain layer, and offline maps for Bozeman. Check trail, road, and weather conditions before setting out, because outdoor access can change quickly.

Things to do in Bozeman

Bozeman, United States. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Bozeman: the short answer

The best time to visit Bozeman is July, followed by August, June. Those months combine the most usable temperatures with the fewest lost days to rain: July averages 19°C with 24 mm of rain and about 31 sunny days. The months to avoid unless you have a specific reason are December, January. If budget matters more than perfect weather, February is the strongest of the low-rate months at 3.6/10.

Across the year Bozeman swings from -8°C in January to 19°C in July, a 27-degree spread, while rainfall ranges from 24 mm in July to 102 mm in May. That is the whole planning problem in one sentence: Bozeman is not equally good year-round, and the difference between the best and worst month here is 7.2 points on a 10-point scale.

Warmest month: July (19°C). Coolest: January (-8°C). Driest: July (24 mm). Wettest: May (102 mm).

Bozeman month by month

January in Bozeman — the hardest end of the year

Hardest · 2.9/10

January averages -8°C (17°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.

Expect 30 mm of rain — occasional showers rather than washed-out days — alongside about 0 sunny days and 8.9 daylight hours.

It scores 2.9/10 here, 11th of 12 months, against 10/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 7.1 points higher on the same scale.

February in Bozeman — the hardest end of the year

Hardest · 3.6/10

February averages -7°C (19°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.

Expect 38 mm of rain — occasional showers rather than washed-out days — alongside about 5 sunny days and 10.1 daylight hours.

It scores 3.6/10 here, 9th of 12 months, against 10/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 6.4 points higher on the same scale.

March in Bozeman — workable with trade-offs

Trade-offs · 5.1/10

March averages -4°C (24°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 52 mm, so plan one flexible day in three; you still get about 14 sunny days and 11.6 hours of daylight.

It scores 5.1/10 here, 8th of 12 months, against 10/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 4.9 points higher on the same scale.

April in Bozeman — workable with trade-offs

Trade-offs · 6.9/10

April averages 0°C (32°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 62 mm, so plan one flexible day in three; you still get about 20 sunny days and 13.3 hours of daylight.

It scores 6.9/10 here, 6th of 12 months, against 10/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 3.1 points higher on the same scale.

May in Bozeman — reliably good (5th best month)

Good · 7.8/10

May averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 102 mm this is a genuinely wet month: about 24 sunny days in total, and outdoor plans need an indoor fallback.

It scores 7.8/10 here, 5th of 12 months, against 10/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 2.2 points higher on the same scale.

June in Bozeman — the year's strongest window

Best window · 9/10

June averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 92 mm, so plan one flexible day in three; you still get about 30 sunny days and 15.5 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Bozeman at 9/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.

July in Bozeman — the year's strongest window

Best window · 10/10

July averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 24 mm of rain — occasional showers rather than washed-out days — alongside about 31 sunny days and 15.2 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Bozeman at 10/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.

August in Bozeman — the year's strongest window

Best window · 9.7/10

August averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 50 mm, so plan one flexible day in three; you still get about 27 sunny days and 13.9 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Bozeman at 9.7/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.

September in Bozeman — the year's strongest window

Best window · 8.9/10

September averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 52 mm, so plan one flexible day in three; you still get about 17 sunny days and 12.3 hours of daylight.

On our climate-comfort scale this is the top-ranked month of the year for Bozeman at 8.9/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.

October in Bozeman — workable with trade-offs

Trade-offs · 6.4/10

October averages 5°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 47 mm, so plan one flexible day in three; you still get about 7 sunny days and 10.7 hours of daylight.

It scores 6.4/10 here, 7th of 12 months, against 10/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 3.6 points higher on the same scale.

November in Bozeman — the hardest end of the year

Hardest · 3.4/10

November averages -4°C (25°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 39 mm of rain — occasional showers rather than washed-out days — alongside about 0 sunny days and 9.2 daylight hours.

It scores 3.4/10 here, 10th of 12 months, against 10/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 6.6 points higher on the same scale.

December in Bozeman — the hardest end of the year

Hardest · 2.8/10

December averages -6°C (22°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.

Expect 37 mm of rain — occasional showers rather than washed-out days — alongside about 0 sunny days and 8.5 daylight hours.

It scores 2.8/10 here, 12th of 12 months, against 10/10 in the destination's best month.

Expect mid-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, footwear you can get muddy.

If your dates are flexible, July is materially better in Bozeman — 7.2 points higher on the same scale.

Frequently asked

When is the best time to visit Bozeman, United States?
In Ideal Weather mode, the best months to visit Bozeman are July, August, June. July is the single peak month with an Ideal Weather score of 10.0/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Bozeman year-round?
Bozeman has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from -8°C in January to 19°C in July, with Ideal Weather scores between 2.8 and 10.0 out of 10.
Which months should I avoid in Bozeman?
The lowest Ideal Weather-scoring months in Bozeman are December (2.8/10), January (2.9/10), November (3.4/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Bozeman?
May is the wettest month in Bozeman, averaging about 102 mm of rainfall. July is the driest, at roughly 24 mm.
Which is the sunniest month in Bozeman?
July sees the most sun in Bozeman, with about 31 sunny days on average - ideal for outdoor plans.
Is Bozeman a good destination for nature and wildlife travel?
Bozeman is well suited to nature and wildlife travel. Its highest Ideal Weather window (July, August, June) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Bozeman calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Bozeman: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for nature and wildlife travel.

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